<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>blade-@yield('title')</title>
</head>
<style>
    .header{
        width:1000px;
        height:150px;
        background:#f5f5f5;
        margin:0 auto;
        border:1px solid #ddd;
    }
    .main{
        width:1000px;
        height:300px;
        margin:0 auto;
        margin-top: 15px;
        clear: both;
    }
    .main .sidebar{
        float: left;
        width: 20%;
        height: inherit;
        background: #f5f5f5;
        border:1px solid #ddd;
    }
    .main .content{
        float: right;
        width: 75%;
        height: inherit;
        background: #f5f5f5;
        border:1px solid #ddd;
    }
.footer{
    width:1000px;
    height:150px;
    margin:0 auto;
    margin-top: 15px;
    background: #f5f5f5;
    border:1px solid #ddd;
}
</style>
<body>
    <div class="header">            
        @section('header')
           头部 
        @show
        
    </div>
    <div class="main">
        <div class="sidebar">
            @section('sidebar')
                侧边栏 
            @show
        </div>
        <div class="content">
            @yield('content',"主要内容区域")
        </div>
    </div>
    <div class="footer">
        @section('footer')
        底部
        @show
        
    </div>
</body>
</html>